The plastic film and foil Web handling guide
- نوع فایل : کتاب
- زبان : انگلیسی
- مؤلف : William E Hawkins
- ناشر : Boca Raton : CRC Press,
- چاپ و سال / کشور: 2003
- شابک / ISBN : 9781587161520
Description
Web stability -- Imaginary resistive tension member concept -- Alignment requirements -- Structure and stresses affect film web behavior -- Tension limitations -- Tension limitations with temperature -- Tension isolation -- Nip roller tension isolators -- Three-roller nip systems -- "S" wrapped driven rollers -- Vacuum rollers -- Vacuum belts -- Web tension measuring and control devices -- Web tension sensing -- Dancer-roller systems -- Load-cell rollers -- Mass-free dancer sensing -- Web spreading -- Increased diameter under web edges -- Concave rollers -- Bowed spreader rollers -- Air-bearing spreading -- Angled opposed-edge nip rollers -- Flexible-leaf spreading rollers -- Web guiding/steering -- Lateral shifting of the unwind and windup stands -- Pivoting steering/guide rollers -- Static management -- Charge buildup theory -- Static removal from webs -- Slitting technology -- Razor-blade slitting -- Bell or raised edges -- Blade angles and configuration -- Blade thickness and contamination generation -- Blade oscillation -- Slitting tension effects -- Shear knife slitting -- Shear knife setup -- Overspeed settings -- Other slitting techniques -- Trim disposal -- Trim chopping and shredding -- Automatic trim and bleed trim thread up -- Pneumatic trim disposal system -- Shred- and chop-conveying pipes -- Bypass air separation around grinder -- Functions of the grinder -- Sizing the blower -- Fundamentals of the cyclone separator -- Storage bins -- Winding technology -- Affects of gage/caliper variation.
